Finding the Third Proportional to 7,490.49 and 16,643.68
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Solution
The third proportional to 7,490.49 and 16,643.68 is: 36,981.88
Step by Step Solution
- Step 1: Write the proportion equation
7,490.49 : 16,643.68 = 16,643.68 : x - Step 2: Convert to fraction form
7,490.49/16,643.68 = 16,643.68/x - Step 3: Cross multiply
7,490.49x = 16,643.68 × 16,643.68 - Step 4: Simplify right side
7,490.49x = 277,012,234.62 - Step 5: Solve for x
x = 277,012,234.62/7,490.49 - Step 6: Final answer
x = 36,981.88
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Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.